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3.2 Retimer

Products >> Verification IP >> 3.2 Retimer

USB 3.2 with Retimer Verification IP 

Truechip's USB3.2 Verification IP with Retimer provides an effective & efficient way to verify the components connected with USB3.2 interface of an IP or SoC. Truechip's USB3.2 VIP is fully compliant with standard USB3.2 Specification version 1.1 from USB-IF. This VIP is a lightweight with an easy plug-and-play interface so that there is no hit on the design cycle time.

Key Benefits

  • Available in native System Verilog (UVM/OVM/VMM) and Verilog
  • Unique development methodology to ensure the highest levels of quality
  • 24X5 customer support
  • Unique and customizable licensing models
  • Exhaustive set of assertions and coverage points with connectivity examples for all the components
  • Consistency of interface, installation, operation, and documentation across all our VIPs
  • Provide complete solutions and easy integration in IP and SoC environment


  • Fully compliant with USB 3.2 specification version 1.1, xHCI Specification Revision 1.2 and Pipe Interface 6.1.1 with Message Bus Interface for USB3.2 Architecture with backward compatibility to USB3.1, USB3.0 and USB2.0 (including USB2.0, USB 3.0. OTG)
  • Supports USB Type-C.
  • Support for Gen2 (10GB/s (x1) / 20GB/s (x2)) and Gen1 (5GB/s (x1) / 10GB/s (x2)) speeds.
  • Supports up to 128 devices including hub and device on different tier level.
  • Supports 15 IN and 15 OUT and 1 control endpoint for each device.
  • Supports all transfer types; Control, Bulk, Bulk Stream, Interrupt, Isochronous with flow control and retry mechanism.
  • Support for pipelined isochronous and Smart Isochronous transfer.
  • Supports configurable number of Configurations, Interfaces, Alternative Interfaces and Endpoints.
  • Supports out of band active stream list exchange, HIMD and Stream Proposal rejection feature.
  • Supports bursting in all transfer modes (Up to Max Burst size).
  • SuperSpeedPlus supports Precision Time Measurement (PTM) (LDM protocol).
  • Enhanced traffic and flow control management in link layer.
    • Supports both Type 1 And Type 2 Traffic Classes.
    • Different Header packet framing for Deferred and Non-Deferred DPH.
  • Supports all compliance patterns - CP0 to CP8 over Gen1 Rate and CP9 to CP16 over Gen2 Rate for Compliance Mode LTSSM state.
  • Supports Enhanced Retimer Block (SRIS and Bit-Level Retimers) with up to 4 Retimers connectivity.
  • USB3.2 Retimer (Dual-Lane compatible) is backward compatible to USB3.1 Retimer (Gen2/Gen1 – Single Lane) and USB3.0 Retimer (Gen1 – Single Lane)
  • Supports updated LTSSM and RTSSM for Retimers with Dual-Lane Support
    • Connected Link State Detection and Low-Power Management
    • Type1 and Type2 Traffic Packets and Link Commands Detection
  • Supports Retimer Link Delay Budget, Presence announcement & Sequential clock switching (Bit-Level Retimer) using TS1A and TS1B OS.
  • Support TS1, TS2, TSEQ, SKP Ordered set generation, also TS1A and TS1B OS in Retimers.
  • Supports local and pass through loopback in Retimers.
  • Support Compliance Mode and BLR Compliance Mode in Retimers.
  • Fully supports LFPS Signal generation and detection in Retimers.
  • Support for all power management states (U1, U2, U3) with U1 Inactivity, U2 Inactivity timers.
  • Support for generation of all link commands defined in the USB3.2 Specification.
  • Dual lane support (Gen2x2 and Gen1x2) with Skew and De-Skew capabilities with SSC/PPM support.
  • Configurable PIPE Interface width – 8b,16b or 32b, SERDES mode is also supported.
  • User controlled device attach/ detach function.
  • Supports UAS (USB Attached SCSI) and BOT (Bulk-Out Transfer)
  • Configurability to enable required data rate (8b/10b or 128b/132b) & Speed negotiation (x1 or x2)
  • Comprehensive Compliance Test Suite for Physical, Link and Protocol Layer, xHCI Verification.
  • Call backs support in all Layers to provide user-controlled error injection.
  • Automated masking of all types of error injections.
  • Complete on-the-fly Static and Dynamic Assertion Protocol Checks.
  • Built-in Functional coverage analysis


  • USB3.2 Host/Device/Retimer
  • USB3.2 BFM/Agents for:
    • Physical Layer
    • Link Layer
    • Protocol Layer
    • Application Layer
  • xHCI VIP compatible with xHCI Specification Revision 1.2
  • USB3.2 Layered Monitor and Scoreboard
  • USB3.2 Test Environment and Test Suites:
    • Basic and Directed Protocol Tests
    • Low Power Tests
    • Error Injection Tests
    • Compliance Test Suite (CTS)
    • Retimer Tests
    • Stress Tests for each Standard layer
    • Random Tests
    • Assertions and Cover Points
    • Integration Guide, User Manual, Quick Start Guide, Testplan, Regression Lists and Release Notes.
    • TrueEye GUI analyzer for simulation packet flow and usage guide
Download the Product Brochure from here